Function expand_selected_file

perro_editor/res/scripts/scene/editor_nav.rs:1138–1178

(ctx: &mut ScriptContext<'_, API>)

    .unwrap_or(false);
    if changed {
        refresh_all(ctx);
    }
}

pub fn expand_selected_file<API: ScriptAPI + ?Sized>(ctx: &mut ScriptContext<'_, API>) {
    let action = with_state_mut!(ctx.run, EditorState, ctx.id, |state| {
        if state.sidebar_mode != "files" {
            return None;
        }
        let active = state.active_asset_path.clone();
        if active.is_empty() {
            return None;
        }
        if !active.ends_with('/') {
            return Some("open".to_string());
        }
        if !state
            .file_expanded_paths
            .iter()
            .any(|expanded| expanded == &active)
        {
            reveal_file_path_in_tree(state, &active);
            state.log = format!("expand folder\n{}", editor_files::rel_label(&active));
            return Some("refresh".to_string());
        }
        let child = filtered_file_paths(state)
            .into_iter()
            .find(|path| parent_res_folder(path) == active);
        if let Some(child) = child {
            state.active_asset_path = child;
            state.log = format!(
                "select asset\n{}",
                editor_files::rel_label(&state.active_asset_path)
            );
            return Some("refresh".to_string());
        }
        None
    })
    .flatten();
    match action.as_deref() {
        Some("open") => open_active_file(ctx),
        Some("refresh") => refresh_all(ctx),
        _ => {}
    }